Types of Dinosaurs

Names of Dinosaurs & Dinosaur Information
Dinosaur Name:


- Pronunciation: size-muh-SAWR-us
- Translation: Earth-Shaking Lizard
- Order: Saurischia
- Suborder: Sauropodomorpha
- Infraorder: Sauropoda
- Family: Diplodocidae
- Height: 84 feet (25.6 meters)
- Weight: 200,000 pounds (90,720 kg)
- Length: 150 feet (45.7 meters)
- Period: Late Jurassic
- Description: Herbivore, Quadrupedal
- Notes: Found in New Mexico, Seismosaurus may prove to be thelongest dinosaur known. While Argentinasaurus was probablytaller and heavier, Seismosaurus was as long as half a footballfield. In the absence of good limb bone fossils, some scientiststhink that its legs were short, giving rise to its descriptionas the "dachshund" of giant dinosaurs. Like other sauropods, Seismosaurus probably used gastroliths to grind itsfood after swallowing it.